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Graph of incident freuency with stopping...

Graph of incident freuency with stopping potential in photoelectric effect is

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Define the term 'stopping potential' in relation to photoelectric effect.

Stopping potential of emitted photo electron is V when monochromatic light of wavelength 'lamda' incident on a metal surface. If wavelength of light incident becomes 'lambda/3' stopping potential of photoelectrons becomes V/4 then the threshold wavelength of metal is k'lambda' then k will be

When a metallic surface is illuminated by a monochromatic light of lamda the stopping potential for photoelectric current is 4V_(0) when the same surface is illuminated by light of wavelength 3 lamda the stopping potential is V_(0) The threshold wavelength for this surface for photoelectric effect is -

The graph between frequency of incident radiations and stopping potential for a given photosensitive material as follows. What information can be obtained from the value of the intercept on the potential axis ?

Figure is the plot of the stopping potential versus the frequency of the light used in an experiment on photoelectric effect. Find (a) the ratio h/e and (b) the work function.

When a certain metallic surface is illuminated with monochromatic light of wavelength lamda , the stopping potential for photoelectric current is 3V_0 and when the same surface is illuminated with light of wavelength 2lamda , the stopping potential is V_0 . The threshold wavelength of this surface for photoelectrice effect is

A photocell employs photoelectric effect to convert

Photoelectrons ar ejected from a surface when light of wavelenght lamda_1=550 nm is incident on it. The stopping potential for such electrons is lamda_(S1)=0.19V . Suppose that radiation of wavelength lamda_2=190nm is incident of the surface. Q. Calculate the stopping potential V_(S2) .

Light of wavelength 488 nm is produced by an argon laser which is used in the photoelectric effect. When light from this spectral line is incident on the emitter, the stopping (cut - off) potential of photoelectrons is 0.38 V. Find the work function of the material from which the emitter is made.

Which is the graph with respect to photoelectric effect?

AAKASH INSTITUTE ENGLISH-STRUCTURE OF ATOM -ASSIGNMENT ( SECTION -B) Objective Type Questions (One option is correct)
  1. With increasing principal quantum number , the energy difference betwe...

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  2. Wavelength of the H(α) line of Balmer series is 6500 Å . The wave leng...

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  3. Graph of incident freuency with stopping potential in photoelectric ef...

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  4. The orbital diagram in which Hund's rule and Aufbau principle is viola...

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  5. The total spin resulting from d^(9) configuration is

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  6. How many nodal planes are present in 4d(z^(2)) ?

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  7. An electron is moving in 3^(rd) orbit of Li^(+2) and its separation e...

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  8. If radius of 2^(nd) orbit is x then di-Broglie wavelength in4^(th)orbi...

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  9. Calculate the wavelength of light required to break the bond between t...

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  10. An electron is moving in 3rd orbit of Hydrogen atom . The frequency of...

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  11. The wavelength of a spectral life for an electronic transition inverse...

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  12. In the Rutherford scattering experiment the number of alpha particles ...

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  13. The number of quanta of radiation of frequncy 4.98 xx 10^(14) s^(-1) r...

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  14. Photoelectric emmision is observed from a surface when lights of freq...

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  15. The velocity of electron moving in 3rd orbit of He^(+) is v. The veloc...

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  16. Which electronic configuration is not allowed for a neutral atom or an...

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  17. If E(1) , E(2) " and " E(3) represent respectively the kinetic energie...

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  18. Choose the correct statement

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  19. Consider psi (wave function) of 2s atomic orbital of H-atom is- psi...

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  20. In which of the following, maximum wavelength is emitted ?

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